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Show that 5n can not end with the digit 2 for any natural number. |
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Answer» Agar, 3 marks ka aya hoga to or likhna hoga apko, piyush ji ne jo likha hai, ye main hai,baki ap likh dena Is ot sufficient?? To end with digit 2 ,5 should have 2 as it factor but factor of 5 are 5and1... So it will not end with 2..hence 5n cant end with 2 |
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